Sorry, I cannot reply in Chinese. The Petzval objective consists of two separated positive groups of elements. The system rear principal plane is located between the groups.
you can design a petval config first and combine two of the same config together to get the infinite system.
作者: 小屁孩儿 时间: 2012-12-7 08:22
cout 发表于 2012-12-6 15:34
Sorry, I cannot reply in Chinese. The Petzval objective consists of two separated positive groups of ...